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. 2022 Apr 19:16:871228.
doi: 10.3389/fnins.2022.871228. eCollection 2022.

Microscopy-BIDS: An Extension to the Brain Imaging Data Structure for Microscopy Data

Collaborators, Affiliations

Microscopy-BIDS: An Extension to the Brain Imaging Data Structure for Microscopy Data

Marie-Hélène Bourget et al. Front Neurosci. .

Abstract

The Brain Imaging Data Structure (BIDS) is a specification for organizing, sharing, and archiving neuroimaging data and metadata in a reusable way. First developed for magnetic resonance imaging (MRI) datasets, the community-led specification evolved rapidly to include other modalities such as magnetoencephalography, positron emission tomography, and quantitative MRI (qMRI). In this work, we present an extension to BIDS for microscopy imaging data, along with example datasets. Microscopy-BIDS supports common imaging methods, including 2D/3D, ex/in vivo, micro-CT, and optical and electron microscopy. Microscopy-BIDS also includes comprehensible metadata definitions for hardware, image acquisition, and sample properties. This extension will facilitate future harmonization efforts in the context of multi-modal, multi-scale imaging such as the characterization of tissue microstructure with qMRI.

Keywords: data sharing; data structure; microscopy; open science; specification; standardization.

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Conflict of interest statement

The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.

Figures

FIGURE 1
FIGURE 1
Microscopy-BIDS overview. (A) Microscopy-BIDS dataset hierarchy. The raw imaging data files and their sidecar JSON files are stored in the “sub- < label >” directory, followed by the optional “ses- < label >” (session) directory and then the data type “micr” directory. The new “sample- < label >”, “chunk- < label >”, and “stain- < label >” entities are shown in red in the image filename. (B) Example of “samples.tsv” file describing sample attributes such as “sample_type”. (C) Example of “participants.tsv” file including animal metadata (“species”, “strain”, and “strain_rrid”). (D) Example of sidecar JSON metadata file. (E) Raw microscopy imaging data modified from Zaimi et al. (2018) under Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/).
FIGURE 2
FIGURE 2
Examples of chunk configurations. (A) Ordered 2D chunks without overlap. (B) Ordered 2D chunks with overlap. (C) Unordered 2D chunks with and without overlap. (D,E) Ordered 2D chunks on different 3D planes. (F) Ordered 3D chunks.

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